sodium mass number
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- Best Answer: neutrons + protons = 23 ... Sodium Mass Number ... Na Mass Number ... Sodium (Na) Sodium has an atomic number of 11 and a mass of about 23g ... aprox ...
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What is the symbol of sodium? Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. Its only stable isotope is 23Na. The free metal does not occur in nature, but must be prepared from compounds. Sodium is the sixth most abundant element in the Earth's crust, and exists in numerous minerals such as feldspars, sodalite, and rock salt (NaCl).
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Sodium Reduction Toolkit: A Global Opportunity to Reduce Population-Level Sodium Intake A list of conversions for salt and sodium appears below: 1  1 mmol sodium = 23 mg sodium. 2  1 g sodium = 43.5 mmol sodium. 3  1 g salt (sodium chloride) = 390 mg sodium.  1 tsp salt = 6 g salt ≈ 2,400 mg sodium = 104 mmol sodium = 104 mEq sodium.
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Mass number The mass number gives an estimate of the isotopic mass measured in atomic mass units (u). For 12 C the isotopic mass is exactly 12, since the atomic mass unit is defined as 1/12 of the mass of 12 C. For other isotopes, the isotopic mass is usually within 0.1 u of the mass number. For example, 35 Cl has a mass number of 35 and an isotopic mass of 34.96885.
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What is the atomic mass of sodium? , Scientist. It is the mass of a sodium atom expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the sodium atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
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What is Sodium Chloride? - Definition, Structure & Formula The result is a crystallized salt that has properties that are different from the two parent elements (sodium and chlorine). The chemical formula for sodium chloride is NaCl, which means that for every sodium atom present, there is exactly one chloride atom. Sodium chloride has a molar mass of 58.44 grams per mole. It appears as a solid, clear crystal with little or no odor.
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- Thanks. Obviously atomic number = no of protons = total number of electrons in an atom. Sodium 2,8,1 (1s1 2s2 2p6 3s1) has 13 electrons and is a group 1 element so has 1 valence electron (1 electron in outer shell). So 12 core and 1 valence.
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What Is 1/12 the Mass of a Carbon-12 Atom? What is the atomic mass of neon? A: The atomic mass of the element neon is 20.18 amu, or atomic mass units. This number, which appears on the periodic table underneath the chemical symbol for... Full Answer >
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How many protons and electrons are in an atom of sodium with an atomic number of eleven? Answer The total number of electrons in an atom of sodium is 11. The total number of electrons in an atom of sodium is 11.
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- Sodium is a chemical element with the chemical symbol Na. It is an alkali metal with the atomic number 11. We know that substances are made up of various atoms, and each atom has a specific chemical identity. It (an atom) is said to be chemical element, and has all the characteristics of that element.
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Atomic mass unit Given that the unified atomic mass unit is one twelfth the mass of one atom of carbon-12, meaning the mass of such an atom is 12 u, it follows that there are NA atoms of carbon-12 in 0.012 kg of carbon-12.
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What is the mass number of Potassium and Calcium? Best Answer: There are many mass numbers for Potassium and Calcium because there are many isotopes of the elements. The one that you see in the periodic table is the ratio of all the mass numbers which came from the isotopes. Calcium can have a mass number of 40 while potassium can have a mass number of 39 (this is the common mass number among the isotopes of the element). *Potassium has also a mass number of 40. It is his isotope. Isotope - an element that has different number of neutrons... Mass number = protons + neutrons
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Sodium Sodium, 11 Na; General properties; Appearance: silvery white metallic: Standard atomic weight (A r, standard) 22.989 769 28 (2) Sodium in the periodic table
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Sodium Element on the Periodic Table (Na or Atomic Number 11) Get periodic table facts on the chemical and physical properties of the element sodium. Get periodic table facts on the chemical and physical properties of the element sodium. Sodium Element on the Periodic Table (Na or Atomic Number 11)
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- Sodium chloride /ˌsoʊdiəm ˈklɔːraɪd/,[2] also known as salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g·mol−1, respectively, 100 g of NaCl contain 39.34 g Na and 60.66 g Cl. Sodium chloride is the salt most responsible for the salinity of seawater and of the extracellular fluid of many multicellular organisms.
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- One tablespoon is equal to approximately 15mL. Table salt, also known as Sodium Chloride, has a combined molecular mass of (22.99 amu + 35.45 amu) = 58.44 amu. Therefore there … are 58.44 grams per mole of Sodium Chloride. Now we know that with 58.44 grams we have one mole of Sodium Chloride. Taking into account that NaCl has a density of 1.2 g/cm3, We have 3.246 tablespoons per mole of NaCl. Let's take this and divide it by the grams per mole which is 58.44 and it will equal approximately 18 grams of salt per tablespoon.
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- Atomic mass is the mass of an atom and is given in a.m.u. (atomic mass unit). However, a molar mass is the mass of one mole atoms or molecules and is given in grams. one mole is equal to Avogadro's number (NA=6.022×1023) atoms or molecules. For example: Sodium atom has a mass of 23 a.m.u. however, the molar mass of sodium is 23g/mol.
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Molar Mass Thus, it is expected that the mass of the molecule would be the sum of the masses of sodium, oxygen and hydrogen. This is the molar mass of sodium hydroxide. The unit of this mass is gram per mole. However, when this mass is shown in grams instead of atomic mass unit, it is known as a mole. The atomic masses of sodium, oxygen and hydrogen are 23, 16 and 1 respectively. The molar mass is, therefore, 23 plus 16 plus 1, which is 40.
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Molar Mass The mass of one mole of an element or compound is called its molar mass (symbol M). The molar mass of copper is 63.5 g mol -1. The molar mass of sodium hydroxide is 40 g mol -1. There is a quantity that relates to the number of particles in a mass of substance. This quantity is called the amount of substance.
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- 4 pages What mass of sodium acetate 8204 gmol must be dissolved in 0300 L of a 0250 M Santa Monica CHEM 1 Spring 2011 What mass of sodium acetate (82.04 g/mol) must be dissolved in 0.300 L of a 0.250 M s. 4 pages. 1  What mass of sodium acetate 8204 gmol must be dissolved in 0300 L of a 0250 M.
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Who Discovered Sodium? Known as a highly reactive, silvery-white and soft metal, sodium goes by the atomic number 11 and the symbol Na. This metallic element belongs to a group of alkali metals, which also includes rubidium (Rb), potassium (K) and lithium (Li).
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- The relative atomic mass of sodium (Na) is 22.990. You can find the atomic mass of any element by looking on the periodic table of the elements. Sodium is located on the … first column, left hand side. Scangel
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sodium sodium. a chemical element, atomic number 11, atomic weight 22.990, symbol Na. (See Appendix 6.) Sodium is the major cation of the extracellular fluid, constituting 90 to 95 per cent of all cations in the blood plasma and interstitial fluid; it thus determines the osmolality of the extracellular fluid.ts atomic number is 11, and its atomic weight is 22.9898. Sodium is one of the most important elements in the body. Sodium ions are involved in acid-base balance, water balance, the transmission of nerve impulses, and the contraction of muscle.
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Sodium diuranate  [show article only]hover over links in text for more info Sodium /ˈsoʊdiəm/ is a chemical element with symbol Na (from New Latin natrium) and atomic number 11. It is a soft, silver-white, highly reactive metal. In the Periodic table it is in column 1 (alkali metals), and shares with the other six elements in that column that it has a single electron in its outer shell, which it readily donates, creating a positively charged atom-a cation.
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What is the symbol of sodium? Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ion—the Na + cation.
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Sodium Sodium /ˈsoʊdiəm/ is a chemical element with symbol Na (from New Latin natrium) and atomic number 11.It is a soft, silver-white, highly reactive metal.odium was first isolated by Humphry Davy in 1807 by the electrolysis of sodium hydroxide. Many sodium compounds are useful, such as sodium hydroxide (lye) for soap-making and sodium chloride for use as a de-icing agent and a nutrient (edible salt). Sodium is an essential element for all animals and some plants.